[hidden] { display: none !important; }
:root {
  --bg: #f4f6fb; --card: #ffffff; --text: #1b2433; --muted: #5d6b82; --line: #e3e8f2;
  --brand1: #1fa1e0; --brand2: #8d3b9b; --ok: #1d8a5b; --ok-bg: #e8f6ef; --warn: #b4361f; --warn-bg: #fdeeea;
  --field: #f7f9fd; --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0f141d; --card: #171e2a; --text: #e6ebf3; --muted: #97a3b8; --line: #263043;
          --ok: #4cc38a; --ok-bg: #12291f; --warn: #ff8a73; --warn-bg: #2d1916; --field: #1d2533; }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px 16px;
  background: var(--bg); color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.card {
  width: 100%; max-width: 520px; background: var(--card); border: 1px solid var(--line);
  border-radius: 20px; padding: 28px; box-shadow: 0 10px 40px rgba(20, 40, 80, .08);
  border-top: 4px solid transparent;
  background-image: linear-gradient(var(--card), var(--card)), linear-gradient(90deg, var(--brand1), var(--brand2));
  background-origin: border-box; background-clip: padding-box, border-box;
}
header { display: flex; gap: 14px; align-items: center; margin-bottom: 22px; }
.logo { border-radius: 10px; flex: none; }
h1 { font-size: 1.35rem; margin: 0; letter-spacing: -.01em; }
h2 { font-size: 1.1rem; margin: 0 0 6px; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: .95rem; }
.label { display: block; color: var(--muted); font-size: .85rem; margin-bottom: 6px; }
.ips { display: grid; gap: 10px; margin-bottom: 22px; }
.ip { background: var(--field); border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 14px; }
.ip .label { margin: 0; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }
.val { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .98rem; word-break: break-all; }
.val.none { color: var(--muted); font-family: inherit; }
.block { display: grid; gap: 12px; }
.captcha { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.captcha img { border-radius: 10px; border: 1px solid var(--line); background: #eef3fb; max-width: 100%; }
input {
  font: inherit; color: var(--text); background: var(--field); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 12px; min-width: 0;
}
#answer { width: 110px; }
input:focus { outline: 2px solid var(--brand1); outline-offset: 1px; }
button { font: inherit; cursor: pointer; border-radius: 10px; border: 0; }
button.primary {
  color: #fff; padding: 11px 18px; font-weight: 600;
  background: linear-gradient(90deg, var(--brand1), var(--brand2));
}
button.primary:disabled { opacity: .6; cursor: wait; }
button.ghost { background: transparent; border: 1px solid var(--line); color: var(--muted); width: 40px; height: 40px; font-size: 1.1rem; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.err { color: var(--warn); margin: 0; min-height: 1.2em; font-size: .92rem; }
.result { margin-top: 18px; border-radius: var(--radius); padding: 16px 18px; }
.result p { margin: 4px 0; }
.ok { background: var(--ok-bg); border: 1px solid color-mix(in srgb, var(--ok) 35%, transparent); }
.ok h2 { color: var(--ok); }
.warn { background: var(--warn-bg); border: 1px solid color-mix(in srgb, var(--warn) 35%, transparent); }
.warn h2 { color: var(--warn); }
.until { font-weight: 600; }
.row { display: flex; gap: 8px; }
.row input { flex: 1; }
#contact { margin-top: 14px; }
.thanks { font-weight: 600; margin-top: 10px; }
.hint { color: var(--muted); font-size: .9rem; }
a { color: var(--brand1); }
footer { margin-top: 26px; padding-top: 14px; border-top: 1px solid var(--line); display: flex; gap: 8px;
         justify-content: center; color: var(--muted); font-size: .85rem; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { text-decoration: underline; }
@media (max-width: 420px) { .card { padding: 20px; } .row { flex-direction: column; } }